Concern about avoiding unplanned pregnancies motivates the use of contraceptive methods, but the effective transmission of knowledge about these methods is limited. The doctor-patient relationship plays a crucial role in providing guidance on contraception, aiming to meet patients' individual needs. The objective of this integrative review was to investigate knowledge and adherence to contraceptive methods in young adults, addressing adherence, reasons for choice, consequences and adaptability. 23 articles were reviewed, of which seven met the inclusion criteria. The studies analyzed highlighted the importance of considering social, cultural and individual factors when choosing contraceptives, aiming to improve the services offered. The results indicated that most women use short-term methods, but there is growing interest in long-term methods. The review also addressed the relationship between hormonal contraceptives and mental health, as well as risk factors associated with their use. Raising awareness about contraception from an early age and inclusive approaches are crucial to promoting adequate sexual and reproductive health among young people. This study highlights the need for a patient-centered approach to ensure effective and equitable contraceptive services, as well as highlighting the importance of early education about contraception and sexual health.